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Hello, everyone! This is Ms. Westwood, your vice principal. I'm excited to announce the 2025 Talent Show! It'll take place in our school auditorium on June 20th at 6 p.m. All students are welcome to participate and showcase their unique talent, whether it's singing, dancing, or acting. Three wonderful teachers will be the judges, and there will be prizes for the top performances. Every participant will receive a free T-shirt with our school symbol on it. At the end of the show, we'll have a short dance party. For more details, please check out our school website.

Hello, everyone! This is Ms. Westwood, your vice principal. I'm excited to announce the 2025 Talent Show! It'll take place in our school auditorium on June 20th at 6 p.m. All students are welcome to participate and showcase their unique talent, whether it's singing, dancing, or acting. Three wonderful teachers will be the judges, and there will be prizes for the top performances. Every participant will receive a free T-shirt with our school symbol on it. At the end of the show, we'll have a short dance party. For more details, please check out our school website. Thank you.

M: Grandma, look what I found in the garage. It's an old cookbook. W: Oh, I haven't seen that for years. M: It says here, "Recipes for Fine Dishes." W: That's the cookbook I wrote when I was a chef before you were born. M: Really? You were a professional chef? W: Yeah, I used to work in a restaurant. Look! These were my special dishes. M: Wow, they look fantastic! Did you create all the recipes in the book? W: Yes. I really loved cooking and was good at it back then. M: You're still good at cooking! W: Do you really think so? M: Of course! I've always thought your food tastes amazing. W: Thanks. I guess I haven't lost my chef skills.

M: Grandma, look what I found in the garage. It's an old cookbook. W: Oh, I haven't seen that for years. M: It says here, "Recipes for Fine Dishes." W: That's the cookbook I wrote when I was a chef before you were born. M: Really? You were a professional chef? W: Yeah, I used to work in a restaurant. Look! These were my special dishes. M: Wow, they look fantastic! Did you create all the recipes in the book? W: Yes. I really loved cooking and was good at it back then. M: You're still good at cooking! W: Do you really think so? M: Of course! I've always thought your food tastes amazing.

Although you may put off going to sleep in order to squeeze more activities into your day, eventually your need for sleep becomes overwhelming and you are forced to get some sleep. This daily drive for sleep appears to be due, in part, to a compound known as adenosine. This natural chemical builds up in your blood as time awake increases. While you sleep, your body breaks down the adenosine. Thus, this molecule may be what your body uses to keep track of lost sleep and to trigger sleep when needed. An accumulation of adenosine and other factors might explain why, after several nights of less than optimal amounts of sleep, you build up a sleep debt that you must make up by sleeping longer than normal. Because of such built-in molecular feedback, you can't become accustomed to getting less sleep than your body needs. Eventually, a lack of sleep catches up with you.

Although you may put off going to sleep in order to squeeze more activities into your day, eventually your need for sleep becomes overwhelming and you are forced to get some sleep. This daily drive for sleep appears to be due, in part, to a compound known as adenosine. This natural chemical builds up in your blood as time awake increases. While you sleep, your body breaks down the adenosine. Thus, this molecule may be what your body uses to keep track of lost sleep and to trigger sleep when needed. An accumulation of adenosine and other factors might explain why, after several nights of less than optimal amounts of sleep, you build up a sleep debt that you must make up by sleeping longer than normal. Because of such built-in molecular feedback, you can't become accustomed to getting less sleep than your body needs. Eventually, a lack of sleep catches up with you.

As artificial intelligence (AI) becomes a bigger part of our lives, we face a serious question: can we trust it to be fair? This is often called "the alignment problem." It refers to the gap between what we want AI to do and what it actually does. Because AI learns from human data, it often picks up our hidden prejudices. For example, if an AI system is trained on data that contains social biases, it may make unfair decisions in areas like hiring or law enforcement. A machine does not understand concepts like "fairness" or "justice" on its own. It simply follows mathematical patterns. Therefore, if the data is biased, the result will be biased too. To solve this, many experts argue that we must build ethical guidelines into AI development. We need to ensure that these systems respect human values and do not harm specific groups of people. AI has the potential to improve our society, but only if we learn how to align its goals with our own ethical standards. Responsibility lies not with the machine, but with the humans who design it.

As artificial intelligence (AI) becomes a bigger part of our lives, we face a serious question: can we trust it to be fair? This is often called 'the alignment problem.' It refers to the gap between what we want AI to do and what it actually does. Because AI learns from human data, it often picks up our hidden prejudices. For example, if an AI system is trained on data that contains social biases, it may make unfair decisions in areas like hiring or law enforcement. A machine does not understand concepts like 'fairness' or 'justice' on its own; it simply follows mathematical patterns. Therefore, if the data is biased, the result will be biased too. To solve this, many experts argue that we must build ethical guidelines into AI development. We need to ensure that these systems respect human values and do not harm specific groups of people. AI has the potential to improve our society, but only if we learn how to align its goals with our own ethical standards. Responsibility lies not with the machine, but with the humans who design it.

For adolescents, achieving a healthy lifestyle is not just about eating or exercising independently; it is about the synergy between nutrition and physical activity. A balanced diet provides the essential fuel required for growth, but the timing of movement significantly influences how the body processes this energy. During puberty, the body requires a steady intake of macronutrients—carbohydrates, proteins, and healthy fats. Consuming a nutrient-dense meal before moderate exercise can enhance performance and prevent fatigue. However, both the post-meal exercise and the post-exercise window are equally critical. Engaging in light activity after eating helps regulate blood sugar levels and improves digestion, ensuring that nutrients are efficiently delivered to developing muscles and bones. Moreover, the "metabolic window" following exercise is when the body is most primed to absorb protein for tissue repair. When teenagers combine a well-rounded diet with appropriately timed physical activity, they do more than just maintain weight; they optimize their cognitive function and hormonal balance.

For adolescents, achieving a healthy lifestyle is not just about eating or exercising independently; it is about the synergy between nutrition and physical activity. A balanced diet provides the essential fuel required for growth, but the timing of movement significantly influences how the body processes this energy. During puberty, the body requires a steady intake of macronutrients — carbohydrates, proteins, and healthy fats. Consuming a nutrient-dense meal before moderate exercise can enhance performance and prevent fatigue. However, the post-exercise window is equally critical. Engaging in light activity after eating helps regulate blood sugar levels and improves digestion, ensuring that nutrients are efficiently delivered to developing muscles and bones. Moreover, the 'metabolic window' following exercise is when the body is most primed to absorb protein for tissue repair. When teenagers combine a well- rounded diet with appropriately timed physical activity, they do more than just maintain weight; they optimize their cognitive function and hormonal balance. Understanding this relationship allows students to build sustainable habits that support both physical vitality and mental clarity during their most demanding developmental years.

Imagine you are pedalling your bicycle on a level road. You stop pedalling: no force is now acting to move you forward. What happens? You gradually slow down. How could you slow down more suddenly, in a shorter distance? By putting the brakes on. Because the brakes change your movement, making you slow down more suddenly, they must be exerting a force on the bicycle and you, as they grip and rub on the wheel-rims. This is the force called friction, which tends to slow down moving things by acting in the direction opposite to movement, that is backwards. Even without the brakes on, there are other friction forces acting on you and your bicycle, which also slow you down. One of these is friction in the wheels rubbing on the axles. Another is air resistance, which you can feel, pushing you backwards as you and the bicycle move forwards. When you apply these ideas to something around you, like a cart, you can see what could be generating friction: mainly the axles rubbing on the body as they rotate.

Imagine you are pedalling your bicycle on a level road. You stop pedalling: no force is now acting to move you forward. What happens? You gradually slow down. How could you slow down more suddenly, in a shorter distance? By putting the brakes on. Because the brakes change your movement, making you slow down more suddenly, they must be exerting a force on the bicycle and you, as they grip and rub on the wheel-rims. This is the force called friction, which tends to slow down moving things by acting in the direction opposite to movement, that is backwards. Even without the brakes on, there are other friction forces acting on you and your bicycle, which also slow you down. One of these is friction in the wheels rubbing on the axles. Another is air resistance, which you can feel, pushing you backwards as you and the bicycle move forwards. When you apply these ideas to something around you, like a cart, you can see what could be generating friction: mainly the axles rubbing on the body as they rotate.

Hello, class! Last time, we learned about the national flags of various countries. Today, we'll talk about different countries' national flowers and what they symbolize. First, the Philippines' national flower is jasmine. Because it means good luck, people often give big necklaces made of this flower to welcome special guests. Next, Denmark's flower is the daisy and it represents happiness. Children express happiness by making daisy chains during their traditional games. In France, the national flower is the iris. Throughout history, French people have thought of this flower as a symbol of perfection. Lastly, the United States uses the rose as its national flower. Americans consider it a symbol of love. So you can find many roses in American weddings.

Hello, class! Last time, we learned about the national flags of various countries. Today, we'll talk about different countries' national flowers and what they symbolize. First, the Philippines' national flower is jasmine. Because it means good luck, people often give big necklaces made of this flower to welcome special guests. Next, Denmark's flower is the daisy and it represents happiness. Children express happiness by making daisy chains during their traditional games. In France, the national flower is the iris. Throughout history, French people have thought of this flower as a symbol of perfection. Lastly, the United States uses the rose as its national flower. Americans consider it a symbol of love. So you can find many roses in American weddings. Now, let's watch a short video to look at these flowers up close.

The desert tortoise has a simple solution for coping with Death Valley's extreme heat: It avoids it. The slow-moving creature hibernates during the winter and stays in its tunnel for much of the summer, meaning that it spends more than 90 percent of its life immobile. In fact, the tortoise usually only surfaces after a good rain. Then, it gets to work. The tortoise stocks up on water by eating plants and digging holes to collect rain. But to stay supplied with water through its extended hibernation, the reptile relies on something else—its highly sophisticated bladder. Unlike most animals, the tortoise's bladder acts as a holding tank, allowing it to reabsorb water back into its body. Incredibly, a desert tortoise can go a full year without taking in any freshwater at all. And because its bladder is so important to a tortoise's survival, park rangers often remind visitors not to stop and help the slow-movers across the road. Tortoises become so terrified when people pick them up that they empty their bladders, losing their precious water reserves.

The desert tortoise has a simple solution for coping with Death Valley's extreme heat: It avoids it. The slow-moving creature hibernates during the winter and stays in its tunnel for much of the summer, meaning that it spends more than 90 percent of its life immobile. In fact, the tortoise usually only surfaces after a good rain. Then, it gets to work. The tortoise stocks up on water by eating plants and digging holes to collect rain. But to stay supplied with water through its extended hibernation, the reptile relies on something else―its highly sophisticated bladder. Unlike most animals, the tortoise's bladder acts as a holding tank, allowing it to reabsorb water back into its body. Incredibly, a desert tortoise can go a full year without taking in any freshwater at all. And because its bladder is so important to a tortoise's survival, park rangers often remind visitors not to stop and help the slow- movers across the road. Tortoises become so terrified when people pick them up that they empty their bladders, losing their precious water reserves.

AI image generators create images based on our text requests. They do this by copying other images that were created by humans. The generators have the ability to analyze millions of images and their corresponding descriptions. This allows them to create works of art in a short time based on the provided instructions. Moreover, they can mix the styles of existing images upon request. A simple request was enough to create this complex and detailed image.

They do this by copying other images that were created by humans. The generators have the ability to analyze millions of images and their corresponding descriptions. This allows them to create works of art in a short time based on the provided instructions. Moreover, AI programs can mix the styles of existing images upon request. For example, you can blend a photograph of a cat with Johannes Vermeer’s Girl with a Pearl Earring. These two images have a few differences. However, the overall design, the eyes, and the scarf around the head are clearly based on Vermeer’s painting. A simple request was enough to create this complex and detailed image.

A morally good person is one who does morally bad actions significantly less often than most and does morally good ones significantly more often than most. In judging a person not only her actions but also her intentions and motives is relevant. A morally good person must intend to do morally good actions and intend to avoid morally bad ones . A person who unintentionally prevents harm to others and does not harm them simply because things do not turn out as she intends is not morally good. Although this kind of situation generally occurs only in slapstick movies, it is worth mentioning to avoid the false impression that it is the actual consequences of a person's actions that count toward her being judged morally good or bad. But actual consequences are important. A person who always tries to prevent harm but never does , is not generally thought of as morally good. Of such a person, it may be said that she means well; but, contrary to Kant, some results are necessary before she is regarding as morally good.

A morally good person is one who does morally bad actions significantly less often than most and does morally good ones significantly more often than most. In judging a person not only her actions but also her intentions and motives are relevant. A morally good person must intend to do morally good actions and intend to avoid morally bad ones. A person who unintentionally prevents harm to others and does not harm them simply because things do not turn out as she intends is not morally good. Although this kind of situation generally occurs only in slapstick movies, it is worth mentioning to avoid the false impression that it is the actual consequences of a person's actions that count toward her being judged morally good or bad. But actual consequences are important. A person who always tries to prevent harm but never does, is not generally thought of as morally good. Of such a person, it may be said that she means well; but, contrary to Kant, some results are necessary before she is regarded as morally good.

As mentioned earlier, exercising right after you eat will cause feelings of discomfort. But, if you wait too long to exercise after eating, you'll suffer from a lack of energy. The ideal time to eat before you exercise vary from one to three hours. Basically, it depends on several factors such as the type and amount of food as well as body size, age, and gender. The type of exercise is also important. For highly intense activities like cycling, I suggest that you wait between one and a half and three hours after having a moderate-sized meal. On the other hand, for something more casual , such as golfing, waiting around one hour is usually sufficient.

But, if you wait too long to exercise after eating, you’ll suffer from a lack of energy. The best time to eat before you exercise varies from one to three hours. Basically, it depends on several factors such as the type and amount of food as well as body size, age, and gender. The type of exercise also matters. For extremely active exercise like cycling, I suggest that you wait between one and a half and three hours after eating a moderate-sized meal. But for something more casual, such as golfing, waiting for one hour after a meal should be enough. Clearly, you can wait less after eating a snack. Host: Thank you very much for this fascinating information, Dr. Hill. I’m sure it will be very helpful for all of our viewers. 파이널노트

Many people start exercising with the simple goal of losing weight or burning calories. However, scientific research has proven that the benefits of physical activity go far beyond just changing our appearance. Exercise actually functions as a powerful tool that "upgrades" our entire system, from our heart to our brain. When we engage in aerobic exercise, such as running or swimming, our heart pumps blood more energetically . This process improves blood circulation, allowing oxygen and essential nutrients to reach our cells more quickly. As a result, our cardiovascular system becomes stronger and more vulnerable to diseases. Moreover, the impact on the brain is equally impressive. During exercise, the body releases chemicals called endorphins, which are known as "natural painkillers." These chemicals not only reduce stress but also improve our mood and mental clarity. For students, the role of exercise is even more critical. Regular movement promotes the growth of new brain cells in the area responsible for memory and learning. This means that spending time on the playground is not a waste of time; rather, it is a necessary investment for better academic performance. Therefore, true health comes from a balance of "moving the body" and "resting the mind," making exercise an indispensable part of a successful life.

Many people start exercising with the simple goal of losing weight or burning calories. However, scientific research has proven that the benefits of physical activity go far beyond just changing our appearance. Exercise actually functions as a powerful tool that 'upgrades' our entire system, from our heart to our brain. When we engage in aerobic exercise, such as running or swimming, our heart pumps blood more vigorously. This process improves blood circulation, allowing oxygen and essential nutrients to reach our cells more quickly. As a result, our cardiovascular system becomes stronger and more resistant to diseases. Moreover, the impact on the brain is equally impressive. During exercise, the body releases chemicals called endorphins, which are known as 'natural painkillers.' These chemicals not only reduce stress but also improve our mood and mental clarity. For students, the role of exercise is even more critical. Regular movement stimulates the growth of new brain cells in the area responsible for memory and learning. This means that spending time on the playground is not a waste of time; rather, it is a necessary investment for better academic performance. Therefore, true health comes from a balance of 'moving the body' and 'resting the mind,' making exercise an indispensable part of a successful life.

Host That makes sense. So, does that mean I should exercise on an empty stomach? Dr. Hill No, it doesn't. That can also be harmful and unpleasant. This is because the body needs energy to exercise. The fuel that supplies this energy is glycogen. Carbohydrates in the food that we eat are broken down into a kind of sugar called glucose. When this glucose is kept in parts of the body, such as the muscles and the liver, it is called glycogen. This is why exercising on a completely empty stomach such as when you first wake up in the morning can be such a festival . Your blood sugar levels are low, and you don't have enough glycogen stored in your body. If you exercise on an empty stomach, you will most likely lack energy and feel unusually exhausted. There can also be more serious outcomes. Some people end up suffering from nausea and headaches, and others even faint. This is because intense exercise uses up all the glycogen in your muscles. Host So, is it the loss of glycogen that causes us to have low levels of energy? Dr. Hill That's correct. For this reason, doctors recommend that ▢ within thirty minutes after working out. This replaces the muscle glycogen which you have lost. Basically, you need between one and one and a half grams of carbohydrates for every kilogram you weigh.

Host: I see. That makes sense. So, does that mean I should exercise on an empty stomach? Dr. Hill: No, it doesn’t. That can also be harmful and unpleasant. This is because the body needs energy to exercise. The fuel that provides this energy is glycogen. Carbohydrates in the food we eat are broken down into a kind of sugar called glucose. When this glucose is stored in parts of the body, such as the muscles and the liver, it is called glycogen. This is why exercising on a completely empty stomach—such as when you first wake up in the morning— can be such a challenge. Your blood sugar levels are low, and you don’t have enough glycogen stored in your body. If you exercise on an empty stomach, you will most likely lack energy and feel unusually tired. There can also be more serious outcomes. Some people end up suffering from nausea and headaches, and others even faint. This is because intense exercise uses up all the glycogen in your muscles. Host: So, is it the loss of glycogen that causes us to have low levels of energy? Dr. Hill: That’s correct. For this reason, doctors recommend that people eat food containing carbohydrates within thirty minutes after working out. This replaces the muscle glycogen you have lost. Basically, you need between one and one and a half grams of carbohydrates for every kilogram you weigh. Let’s do the math. If you weigh 60 kilograms, you should try to consume between 60 and 90 grams of carbohydrates after you exercise. This is equal to about one bowl of white rice or three bananas. Host: That’s very interesting. But what about eating before we exercise? Can you explain how long we should wait after eating? Dr. Hill: Well, as I said before, exercising right after you eat will cause feelings of discomfort.

For this reason, doctors recommend that ▢ within thirty minutes after working out. This replaces the muscle glycogen which you have lost.

Some people end up suffering from nausea and headaches, and others even faint. This is because intense exercise uses up all the glycogen in your muscles. Host: So, is it the loss of glycogen that causes us to have low levels of energy? Dr. Hill: That’s correct. For this reason, doctors recommend that people eat food containing carbohydrates within thirty minutes after working out. This replaces the muscle glycogen you have lost. Basically, you need between one and one and a half grams of carbohydrates for every kilogram you weigh. Let’s do the math. If you weigh 60 kilograms, you should try to consume between 60 and 90 grams of carbohydrates after you exercise. This is equal to about one bowl of white rice or three bananas. Host: That’s very interesting. But what about eating before we exercise? Can you explain how long we should wait after eating? Dr. Hill: Well, as I said before, exercising right after you eat will cause feelings of discomfort.

Recently, an artist used an artificial intelligence (AI) system to create an image for an art contest. The image won first place in the digital arts category. This became a ▢ in the art community. Some people complained that the artist simply provided the system with basic instructions and let it do all the work. They felt this wasn't fair to the rest of the artists in the contest. However, there were also people who were excited by the potential of AI. Today, there are numerous AI programs that can create various forms of art including images, songs, and novels.

Recently, an artist used an artificial intelligence (AI) system to create the image above for an art contest. The image won first place in the digital arts category. This led to a controversy in the art community. Some people complained that the artist simply provided the system with basic instructions and let it do all the work. They felt this wasn’t fair to the rest of the artists in the contest. However, there were also people who were excited by the potential of AI. Today, there are numerous AI programs that can create various forms of art including images, songs, and novels. AI image generators create images based on our text requests.

Many atoms in your body are nearly as old as the universe itself. When you breathe, for example, only some of the atoms that you inhale are exhaled in your next breath. The remaining atoms are taken into your body to become part of you, and they later leave your body by various means. You don't "own" the atoms that make up your body; you borrow them. We all share from the same atom pool because atoms forever travel around, within, and among us. Atoms cycle from person to person as we breathe and as our sweat is evaporated. We recycle atoms on a grand scale. The origin of the lightest atoms goes back to the origin of the universe, and most heavier atoms are older than the Sun and Earth. There are atoms in your body that have existed since the first moments of time, recycling throughout the universe among limitless forms, both nonliving and living. You're the present caretaker of the atoms in your body. ▢ .

Many atoms in your body are nearly as old as the universe itself. When you breathe, for example, only some of the atoms that you inhale are exhaled in your next breath. The remaining atoms are taken into your body to become part of you, and they later leave your body by various means. You don't "own" the atoms that make up your body; you borrow them. We all share from the same atom pool because atoms forever travel around, within, and among us. Atoms cycle from person to person as we breathe and as our sweat is evaporated. We recycle atoms on a grand scale. The origin of the lightest atoms goes back to the origin of the universe, and most heavier atoms are older than the Sun and Earth. There are atoms in your body that have existed since the first moments of time, recycling throughout the universe among limitless forms, both nonliving and living. You're the present caretaker of the atoms in your body. There will be many who will follow you.

Can a machine be creative? For a long time, we believed that art was a unique territory for humans. However, artificial intelligence is now challenging this idea. Today, AI can compose classical music, write poetry, and even create paintings that sell for thousands of dollars at auctions. (A) Some critics argue that this is just sophisticated copying, not true art, because the machine lacks emotions and intentions. Yet, others believe that AI is a powerful new tool that expands the boundaries of human imagination. (B) This development has led Marcus du Sautoy to explore whether a computer code can truly possess a "creative spark." He argues that AI does not create out of thin air; instead, it analyzes vast amounts of data from human history to find new patterns. For example, an AI might study thousands of Rembrandt's paintings to produce a "new" work in his style. (C) In light of this debate, as AI continues to evolve, the definition of "artist" may need to change. The real question is not just whether AI can make art, but whether we are ready to accept a machine as a creator.

Can a machine be creative? For a long time, we believed that art was a unique territory for humans. However, artificial intelligence is now challenging this idea. Today, AI can compose classical music, write poetry, and even create paintings that sell for thousands of dollars at auctions. In his book, Marcus du Sautoy explores whether a computer code can truly possess a 'creative spark.' He argues that AI does not create out of thin air; instead, it analyzes vast amounts of data from human history to find new patterns. For example, an AI might study thousands of Rembrandt's paintings to produce a 'new' work in his style. Some critics argue that this is just sophisticated copying, not true art, because the machine lacks emotions and intentions. Yet, others believe that AI is a powerful new tool that expands the boundaries of human imagination. As AI continues to evolve, the definition of 'artist' may need to change. The real question is not just whether AI can make art, but whether we are ready to accept a machine as a creator.

Consequently, the digestion process is paused until the blood returns. The issue is that you began exercising too soon after eating. ( ) This can lead to a variety of stomach problems. ( ) When you consume food, blood rushes to the digestive system to aid in breaking down the food and absorbing nutrients. ( ) But when you start to exercise, blood moves from the digestive organs to your muscles. ( ) This happens in order to supply your muscles with the oxygen and nutrients they require. ( ) Therefore, whether you're lifting weights or going for a run, it is best to avoid exercising on a full stomach.

Host: Welcome back to Today’s Health. Today we’re going to be talking about exercise. Dr. Victoria Hill is here, and she is going to share some useful tips. So, Dr. Hill, let’s start with a question about my experience last month. I worked out right after dinner and got a stomachache. Why did that happen? Dr. Hill: Well, the problem is that you exercised too soon after eating. This can cause various stomach issues. When you eat, blood rushes to the digestive system to help break down the food and absorb its nutrients. But when you start to exercise, blood moves from the digestive system to your muscles. This happens in order to supply your muscles with the oxygen and nutrients they require. As a result, the digestion process is paused until the blood returns. So, whether you’re lifting weights or going for a jog, you shouldn’t do it with a stomach full of food.

All editing systems are now nonlinear computer-based systems that allow random access to any video shot or scene without having to fast forward or fast reverse to find it. Nonlinear systems can create a range of special effects, such as slow motion, wipes and dissolves. Another highlight of a digital nonlinear system is its random access process that makes it easy for an editor to find desired shots or scenes without having to spend time fast forwarding or rewinding videotape. With nonlinear editing, shots or scenes can be easily added or removed anywhere in the program, and the computer adjusts the program length automatically. Linear editing was like composing a paper on a typewriter. If a mistake was made or new information needed to be added, the whole piece had to be retyped. Nonlinear editing, on the other hand, is like using a word processing program. If a mistake is made, it is easily deleted and fixed with a few keystrokes, and new information can be added easily. ↓ Nonlinear editing provides editors with greater (A) in handling video content and reduces the need for a (B) editing process.

All editing systems are now nonlinear computer-based systems that allow random access to any video shot or scene without having to fast forward or fast reverse to find it. Nonlinear systems can create a range of special effects, such as slow motion, wipes and dissolves. Another highlight of a digital nonlinear system is its random access process that makes it easy for an editor to find desired shots or scenes without having to spend time fast forwarding or rewinding videotape. With nonlinear editing, shots or scenes can be easily added or removed anywhere in the program, and the computer adjusts the program length automatically. Linear editing was like composing a paper on a typewriter. If a mistake was made or new information needed to be added the whole piece had to be retyped. Nonlinear editing, on the other hand, is like using a word processing program. If a mistake is made, it is easily deleted and fixed with a few keystrokes, and new information can be added easily.

Many AI programs are open to the public, which means they are free and convenient to use. However, these programs have sparked a debate over their impact on humans. Since AI has the potential to learn skills and performing them better than humans, some people view it as a threat. They worry that AI will replace humans in more and more areas. There are also concerns that AI may imitate the styles of human artists without their consent. On the other hand, others think that AI cannot exceed human imagination and that it is still dependent on human assistance. This is because the data that AI uses can have flaws or limitations. A dependence on imperfect data with little diversity eventually limits the output of AI programs. Human imagination, on the other hand, has no limits or boundaries. What kind of future do you think lies ahead of us? Will more people use AI programs to boost their creativity and productivity? Or will people grow tired of the limitations of AI tools? AI provides many benefits and new opportunities. What we need to do is figure out how to use AI tools ethically and think about how humans and AI can collaborate.

Many AI programs are open to the public, which means they are free and convenient to use. However, these programs have sparked a debate over their impact on humans. Since AI has the potential to learn skills and perform them better than humans, some people view it as a threat. They worry that AI will replace humans in more and more areas. There are also concerns that AI may imitate the styles of human artists without their consent. On the other hand, others think that AI cannot exceed human imagination and that it is still dependent on human assistance. This is because the data that AI uses can have flaws or limitations. A dependence on imperfect data with little diversity eventually limits the output of AI programs. Human imagination, on the other hand, has no limits or boundaries. What kind of future do you think lies ahead of us? Will more people use AI programs to boost their creativity and productivity? Or will people grow tired of the limitations of AI tools? AI provides many benefits and new opportunities. What we need to do is figure out how to use AI tools ethically and think about how humans and AI can collaborate.

<질문> When we use AI, what must we do? <대답> → When using AI, ▢ .

This is because the data that AI uses can have flaws or limitations. A dependence on imperfect data with little diversity eventually limits the output of AI programs. Human imagination, on the other hand, has no limits or boundaries. What kind of future do you think lies ahead of us? Will more people use AI programs to boost their creativity and productivity? Or will people grow tired of the limitations of AI tools? AI provides many benefits and new opportunities. What we need to do is figure out how to use AI tools ethically and think about how humans and AI can collaborate.

One of the things that makes uncertainty difficult for members of the public to appreciate is that the significance of uncertainty is relative. Take, for example, the distance between Earth and the sun: 1.49597 × 10⁸ km, as measured at one point during the year. This seems relatively precise; after all, using six significant digits means I know the distance to an accuracy of one part in a million or so. However, if the next digit is uncertain, that means the uncertainty in knowing the precise Earth-sun distance is larger than the distance between New York and Chicago! Whether or not the quoted number is "precise" therefore depends on what I'm intending to do with it. If I care only about what minute the sun will rise tomorrow, then the number quoted here is fine. If I want to send a satellite to orbit just above the sun, however, then I would need to know distances more accurately.

One of the things that makes uncertainty difficult for members of the public to appreciate is that the significance of uncertainty is relative. Take, for example, the distance between Earth and the sun: 1.49597 × 10 ⁸ km, as measured at one point during the year. This seems relatively precise; after all, using six significant digits means I know the distance to an accuracy of one part in a million or so. However, if the next digit is uncertain, that means the uncertainty in knowing the precise Earth-sun distance is larger than the distance between New York and Chicago! Whether or not the quoted number is "precise" therefore depends on what I'm intending to do with it. If I care only about what minute the sun will rise tomorrow, then the number quoted here is fine. If I want to send a satellite to orbit just above the sun, however, then I would need to know distances more accurately.

Richard Heinberg, an American journalist, insists that in establishing the renewable energy infrastructure to prevent global warming, we are actually engaged in one of the greatest change projects in human history. In addition to solar panels and wind turbines, we have to build a sustainable transport infrastructure, farming procedures and industrial processes. This transformation cannot be realized without fossil fuels. For instance, production of concrete structures and steel elements requires amounts of energy that is only possible to generate with fossil energy. Production of solar panels requires rare and expensive minerals which must be mined, again requiring the use of fossil fuels. Thus, the more we accelerate the transition to renewable energy, the greater our consumption on fossil fuels becomes during construction. This is not only expensive, but also an undermining factor for our efforts to decrease global emissions. Heinberg remarks that the cost of building this new energy infrastructure is hardly ever considered in transition proposals, which tend to focus just on energy supply requirements. Richard Heinberg says that ▢ .

Richard Heinberg, an American journalist, argues that in building the renewable energy infrastructure to stop global warming, we are actually involved in one of the greatest change projects in human history. In addition to solar panels and wind turbines, we have to build an alternative transport infrastructure, farming procedures and industrial processes. This transformation cannot happen without fossil fuels. For instance, production of concrete structures and steel elements require amounts of energy that is only possible to produce with fossil energy. Production of solar panels requires scarce and expensive minerals which must be excavated, again requiring the use of fossil fuels. Thus, the harder we push towards a renewable energy system, the faster we have to use fossil energy for the construction process. This is not only expensive, but also an undermining factor for our efforts to cut global emissions. Heinberg remarks that the cost of building this new energy infrastructure is seldom counted in transition proposals, which tend to focus just on energy supply requirements.